10624139 has 4 divisors (see below), whose sum is σ = 10871256. Its totient is φ = 10377024.

The previous prime is 10624129. The next prime is 10624151. The reversal of 10624139 is 93142601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10624139 is a prime.

It is a super-2 number, since 2×10624139² = 225744658982642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10624109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123494 + ... + 123579.

It is an arithmetic number, because the mean of its divisors is an integer number (2717814).

Almost surely, 2^10624139 is an apocalyptic number.

10624139 is a deficient number, since it is larger than the sum of its proper divisors (247117).

10624139 is an equidigital number, since it uses as much as digits as its factorization.

10624139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247116.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 10624139 is about 3259.4691285545. The cubic root of 10624139 is about 219.8355451411.

The spelling of 10624139 in words is "ten million, six hundred twenty-four thousand, one hundred thirty-nine".